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Infineon Technologies IRDM982-035MB
- Part No.:
- IRDM982-035MB
- Manufacturer:
- Infineon Technologies
- Category:
- Motor Drivers, Controllers
- Package:
- 40-PowerVQFN
- Datasheet:
-
IRDM982-035MB.pdf
- Description:
- IC MTR DRIVER 13.5V-16.5V 40PQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,196
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Product details
Overview
IRDM982-035MB from Infineon is a fully integrated 3-phase PM motor controller module with six 500V/3A MOSFETs, Hall-sensor-based sinusoidal commutation, quadratic phase advance control, 15V single-supply operation, and on-chip 3.3V regulator - designed for high-efficiency AC fan motor control in industrial HVAC systems.
For engineers reviewing the IRDM982-035MB datasheet, IRDM982-035MB pinout, IRDM982-035MB application, or IRDM982-035MB equivalent, key selection criteria include rated MOSFET current (3A), PQFN thermal dissipation capability, Hall sensor interface compatibility, dynamic overcurrent protection behavior, and selectable 16-load-curve efficiency tuning via EFF resistor pairs.
Technical Context
The IRDM982-035MB implements a fixed-function digital control algorithm executing Hall-based 6-step commutation with quadratic phase advance compensation, using internal ADC sampling of VSP (speed command), temperature, and EFF (load curve selection). It integrates a PLL-based clock synthesizer driven by external RC or 32.768 kHz crystal.
All protection functions - dynamic overcurrent (temperature-dependent threshold), overspeed, rotor lock, undervoltage lockout (15V & 3.3V rails), and overtemperature - are implemented in hardware with autonomous response; no firmware update or configuration is required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Topology | Integrated 3-phase inverter with 6x 500V/3A MOSFETs and gate drivers |
| Supply Voltage | 15V single rail; internal 3.3V regulator powers logic and Hall sensors |
| Motor Interface | 3-channel differential Hall sensor inputs (HALL1±, HALL2±, HALL3±) |
| Control Input | VSP analog voltage (0–15V) sets motor speed; DIR digital input selects direction |
| Thermal Management | No external heatsink required; 12×12 mm² PQFN dissipates heat via PCB copper area |
| Protection Features | Dynamic overcurrent, overspeed, rotor lock, undervoltage lockout, overtemperature |
| Load Curve Selection | 16 pre-stored quadratic efficiency curves selected via two resistor pairs on EFF pin |
Pinout & Package
IRDM982-035MB uses a thermally enhanced 12 mm × 12 mm PQFN package with exposed thermal pad (pin 1 marked by dot). The package supports direct PCB heat sinking without external heatsink.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | 15V power supply input | Primary high-voltage rail powering gate drivers and HV IC; requires local decoupling |
| VSS | Ground reference | Common return for analog/digital/HV sections; connects to thermal pad |
| HALL1+/HALL1− HALL2+/HALL2− HALL3+/HALL3− | Differential Hall sensor inputs | Accepts ±50 mV full-scale differential signals; internally biased |
| VSP | Speed command input | Analog voltage (0–15V) mapped linearly to motor RPM; sampled by internal ADC |
| DIR | Direction control | CMOS-level digital input: high = CW, low = CCW; debounced in hardware |
| EFF | Efficiency curve select | Two resistor pairs set 4-bit code selecting one of 16 ROM-stored quadratic load curves |
| U/V/W | Phase outputs | High-side/low-side driver outputs connected directly to motor windings |
| VBUS | DC bus input | Connects to bulk capacitor; rated ≤500V; feeds internal bootstrap circuitry |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 3A MOSFETs | Enables direct drive of mid-power PM fans (up to ~150W) without external power stage |
| Hall-based sinusoidal control | Eliminates need for encoder or resolver; supports standard 3-wire Hall sensors |
| Quadratic phase advance | Automatically optimizes torque vs. speed across load range using stored motor models |
| Dynamic overcurrent limit | Adjusts trip threshold downward as junction temperature rises - prevents false trips during transient heating |
| Standby mode <7 mW | VSP < 1.15V cuts off 3.3V rail, disabling logic and Hall bias - enables ultra-low idle power |
Applications
| Industrial HVAC Blowers | Commercial Refrigeration Fans |
|---|---|
Use Scenario: Constant-air-volume blowers in rooftop HVAC units requiring quiet, efficient airflow control across ambient temperatures from −20°C to +60°C. IC Role / Device Role / Timing Role: Full-motion controller executing Hall-commutated sinusoidal drive with real-time thermal derating and speed regulation. Use Value: Eliminates external microcontroller, gate drivers, and discrete MOSFETs - reduces BOM count by ≥12 components and PCB area by >40%. | Use Scenario: Condenser and evaporator fans in walk-in coolers where reliability under frequent start-stop cycles and condensation is critical. IC Role / Device Role / Timing Role: Self-contained motor controller with rotor lock detection and automatic restart after stall recovery. Use Value: Integrated rotor lock protection prevents coil burnout during ice buildup; no firmware or external watchdog needed. |
| Server Rack Cooling Fans | Medical Ventilation System Fans |
Use Scenario: High-reliability 24/7 cooling fans in data center server racks operating at variable speed based on thermal telemetry. IC Role / Device Role / Timing Role: Speed-regulated 3-phase inverter with VSP analog interface and undervoltage lockout for stable operation during PSU brownouts. Use Value: 15V single-supply simplifies power architecture; integrated UVLO prevents erratic behavior during 12V-to-15V converter sag. | Use Scenario: Low-noise, low-vibration fans in portable ventilators requiring precise RPM control and fail-safe shutdown on temperature or overspeed. IC Role / Device Role / Timing Role: Safety-critical motion controller implementing overspeed cutoff (<120% nominal) and overtemperature shutdown (150°C TJ). Use Value: Hardware-enforced protections meet IEC 60601-1 creepage/clearance and fault-response timing requirements without software certification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PM fan motor control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IRDM982-025MB | Same control architecture and package, but internal MOSFETs rated 500V/2A (vs. 3A) | Suitable for ≤100W fan loads; lower conduction loss at light load, reduced thermal margin at full load | Select when motor peak current stays below 2A RMS and board layout limits copper area for thermal spreading |
| FSB50450 | 600V 3-phase intelligent power module with external MCU control; no integrated algorithm or Hall interface | Requires external microcontroller, Hall signal conditioning, and custom firmware for commutation | Choose only if application demands programmable control, field-oriented control (FOC), or non-Hall feedback (e.g., back-EMF sensing) |
Compared with IRDM982-025MB, the -035MB delivers higher continuous output current and thermal headroom; compared with FSB50450, it eliminates MCU dependency and reduces system-level validation effort - making it optimal for cost-sensitive, high-volume fan modules where Hall-based control suffices.
Availability
IRDM982-035MB is available at Aetrix Electronics and suitable for industrial HVAC blowers, commercial refrigeration fans, and server rack cooling systems requiring stable component supply, long-lifecycle support, and qualified industrial-grade reliability.
Supply support for IRDM982-035MB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with leadership in high-voltage integration and motor control solutions.
The IRDM982 series belongs to Infineon's iMOTION™ motion control platform, designed specifically for cost-optimized, high-reliability permanent magnet fan motor applications requiring zero-firmware implementation and minimal external components.
FAQ
What is the maximum continuous motor power supported by IRDM982-035MB?
The IRDM982-035MB supports continuous motor output up to approximately 150W at 25°C ambient with adequate PCB copper area (≥200 cm² 2 oz Cu). Derating applies above 60°C case temperature; full 3A MOSFET rating assumes proper thermal vias to inner ground planes and minimal trace resistance.
Does IRDM982-035MB require an external crystal or can it operate with RC timing only?
IRDM982-035MB supports both RC network (connected between CLKIN and XTAL pins) and 32.768 kHz crystal. RC option is sufficient for fan applications where ±5% speed accuracy is acceptable; crystal improves speed stability to ±0.5% and reduces jitter in Hall edge detection.
How is rotor lock detected and what happens when it occurs?
Rotor lock is detected by monitoring Hall sensor state transitions over time: absence of valid sequence for >200 ms triggers immediate gate shutdown, latches the fault, and pulls PG (Power Good) low. Recovery requires cycling VCC or asserting reset; no manual clear is needed.
Can the 16 load curves be customized or reprogrammed?
No - the 16 quadratic load curves are factory-programmed into ROM and cannot be modified. Selection is strictly hardware-based via two resistor pairs on the EFF pin, enabling deterministic, repeatable efficiency tuning without firmware tools or debug interfaces.
IRDM982-035MB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 40-PowerVQFN
- Packaging:
- Tray
- Product Status:
- Obsolete
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- AC, Synchronous
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (3)
- Interface:
- Parallel
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- -
- Current - Output:
- -
- Voltage - Supply:
- 13.5V ~ 16.5V
- Voltage - Load:
- 100V ~ 450V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-PQFN (12x12)
IRDM982-035MB FAQ
1.How can I place an order for IRDM982-035MB through Aetrix?
Please submit a Request for Quotation (RFQ) for IRDM982-035MB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for IRDM982-035MB reliable?
The price and inventory of IRDM982-035MB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRDM982-035MB is usually 5 days.
3.What payment methods are accepted for IRDM982-035MB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRDM982-035MB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IRDM982-035MB?
IRDM982-035MB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IRDM982-035MB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for IRDM982-035MB?
For technical support, including IRDM982-035MB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRDM982-035MB requirements.
6.How does Aetrix verify that IRDM982-035MB is sourced from the original manufacturer or authorized distributors?
All IRDM982-035MB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IRDM982-035MB meets industry standards.
7.What is the process for return or replacement of IRDM982-035MB?
All IRDM982-035MB units undergo pre-shipment inspection (PSI). If there is an issue with IRDM982-035MB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The IRDM982-035MB part is unused and in its original packaging.
Return procedure for IRDM982-035MB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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